| 21. | It was renamed to Rhythmic Airplay with the issue dated February 7, 2004.
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| 22. | In its issue dated April 1, CIO surveyed efforts by all 50 state governments.
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| 23. | The box set sold more than 500, 000 physical copies on its issue date.
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| 24. | Hot 100 on the issue date of February 2, 2008.
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| 25. | Hugle patented some isolation techniques; the patent file and issue dates may be reported.
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| 26. | The first Europa issue dates back to 15 September 1956.
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| 27. | Year of the vehicle is determined by title issue date.
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| 28. | *The issue dates back to the civil war and segregation.
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| 29. | Hot 100 chart for the issue dated May 2, 2015.
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| 30. | The song eventually peaked at number 9, on the issue dated 18 May 2002.
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